Water resources / 
At head of title:  National Geographic :  global issues. 
content consultant, Andrew J. Milson. 
 - [Independence, KY] :  National Geographic Learning,  2014. 
 - 32 p. :  col. ill., col. map. ;  25 cm. 
 - Global issues. .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780736297493 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Textbooks.<br/>Social sciences--Study and teaching (Middle school).<br/>Water-supply.<br/>Water-supply--Textbooks.<br/>Water-supply--Study and teaching (Middle school).